Constitution and Representation of the People Act make no references to provisions for external voting.
Trinidad and Tobago, Elections and Boundaries Commission, Representation of the People Act (Act 41 of 1967, last amended in 2000): Election Rules, accessed 9 August 2020
12. (1) Subject to this Act, a person is qualified to be an elector for an electoral district at a Parliamentary election, a Municipal Council election or the Tobago House of Assembly election, who on the qualifying date has resided in that electoral district for a period of at least two months preceding the qualifying date—
(a) is a citizen of Trinidad and Tobago of the age of eighteen years or upwards; […]